Re: Columns correlation and adaptive query optimization

From: David Steele <david(at)pgmasters(dot)net>
To: Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Columns correlation and adaptive query optimization
Date: 2020-03-24 17:12:20
Message-ID: a43a8be4-4fb2-bce9-450b-8fc1fa914def@pgmasters.net
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On 12/24/19 3:15 AM, Konstantin Knizhnik wrote:
> New version of patch implicitly adding multicolumn statistic in
> auto_explain extension and using it in optimizer for more precise
> estimation of join selectivity.
> This patch fixes race condition while adding statistics and restricts
> generated statistic name to fit in 64 bytes (NameData).

This patch no longer applies: https://commitfest.postgresql.org/27/2386/

The CF entry has been updated to Waiting on Author.

Regards,
--
-David
david(at)pgmasters(dot)net

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